Lock and key infant teether



FIG. 1 is a perspective view of the lock and key infant teether showing the design of my invention with the lock and key disengaged;

FIG. 2 is a perspective view with the lock and key engaged thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The rear view is a mirror image of the front view. 

The ornamental design for a lock and key infant teether, as shown and described. 